| title | ISBN-13 | year of publication |
|---|---|---|
| Analogies: Daily Warm-Ups Level I | 978-0-8251-4321-2 | 2002 |
| Daily Warm-Ups: Analogies | 978-0-8251-4452-3 | 2003 |
| Daily Warm-Ups Biology, Level II | 978-0-8251-4453-0 | 2004 |
| Daily Warm-Ups: Commonly Confused Words | 978-0-8251-4596-4 | 2004 |
| Daily Warm-Ups: Geography | 978-0-8251-4514-8 | 2004 |
| Daily Warm-Ups Physics: Level II | 978-0-8251-4633-6 | 2003 |